Multimedia Gallery
- Topic: Navigating At Sea
Italian astronomer Galileo Galilei created this device to calculate the motions of Jupiter’s moons.
In 1642, for a Dutch longitude prize, Galileo proposed both an astronomical solution and an accurate sea clock—the first clock ever to have a pendulum.
Gekkos, Malaysia (Gehyra vorax, Gekko indicus,Naultinus punctatus)
Hōkūle`a, a Hawaiian voyaging canoe, sailing off Honolulu, 2009.
Striking green ornaments made by the Maori were created from a kind of jade.
A horary quadrant is used to find the time of day by measuring the Sun’s altitude.
The U.S. Exploring Expedition included a formidable group of botanists, naturalists, artists, taxidermists, and other scientists.
The U.S. Exploring Expedition included a formidable group of botanists, naturalists, artists, taxidermists, and other scientists.
Portrait of John Harrison by James King, about 1766.
Kingfishers, Fiji (Todiramphus vitiensis)
